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The European lightning location system EUCLID - Part 2: Observations

机译:欧洲闪电定位系统EUCLID-第2部分:观察

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摘要

Cloud-to-ground (CG) lightning data from the European Cooperation for Lightning Detection (EUCLID) network over the period 2006-2014 are explored. Mean CG flash densities vary over the European continent, with the highest density of about 6 km(2) yr(-1) found at the intersection of the borders between Austria, Italy and Slovenia. The majority of lightning activity takes place between May and September, accounting for 85% of the total observed CG activity. Furthermore, the thunderstorm season reaches its highest activity in July, while the diurnal cycle peaks around 15:00 UTC. A difference between CG flashes over land and sea becomes apparent when looking at the peak current estimates. It is found that flashes with higher peak currents occur in greater proportion over sea than over land.
机译:研究了欧洲闪电探测合作组织(EUCLID)在2006年至2014年期间的云对地(CG)闪电数据。欧洲大陆上的平均CG闪点密度各不相同,在奥地利,意大利和斯洛文尼亚之间的交界处发现的最高密度约为6 km(2)yr(-1)。大多数闪电活动发生在5月至9月之间,占观测到的CG活动总数的85%。此外,雷暴季节在7月达到最高活动水平,而昼夜周期则在世界标准时间15:00左右达到顶峰。当查看峰值电流估计值时,陆地和海洋上的CG闪烁之间的差异变得很明显。已经发现,峰值电流较高的闪光在海上发生的比例高于陆地。

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